
.w {
    width: 1200px;
    margin:  0 auto;
}
.head {
    width: 100%;
    height: 100px;
    margin: 0 auto;
    background-color: red;
}
.head .logo img {
    width: 100%;
    height: 100%;
    
}
.head .serch {
    width: 200px;
}
.head div {
    float: left;
     width: 200px;
    height: 100px;
    margin-left: 180px;
}
.bd {
    margin-top: 100px;
    background-color: #f6f3f3;
}
.bd_lf {
    width: 100px;
    /* height: 1000px; */
    float: left;
}
.bd_lf ul li{
    width: 90px;
    margin-top: 50px;
    text-align: center;
    height: 80px;
    line-height: 80px;
      background-color: #f6f3f3;
}
.current {
     cursor: pointer;
    border-bottom: 2px solid red;
    font-size: 18px;
    /* background-color: #f6f3f3; */
    font-weight: 600;
}
.bd_lf ul li:hover{
    cursor: pointer;
    border-bottom: 2px solid red;
    font-size: 18px;
    font-weight: 600;
}
.bd_rt {
    float: right;
    width: 1100px;
    background-color: #fff;
    /* padding-left: 50px; */
}
.bd_rt h1{
    margin-bottom: 20px;
    /* border-bottom: 2px solid #666; */
    height: 60px;
    margin-left: -70px;
    line-height: 60px;
}
/* .bd_rt  i {
    margin-left: 20px;
}
.bd_rt input {
       width: 166px;
    height: 16px;
    /* line-height: 16px */
    /* border: 2px solid #ccc;
    margin-left: 20px;
} */ 
.bd_bd {
    display: block;
}
.bd_bd1, .bd_bd2{
    display: none;
}
.bd_bd ,.bd_bd1, .bd_bd2{
    height: 800px;
}
